• Sir James Sinclair, 1st Baronet (died 1662) • Sir William Sinclair, 2nd Baronet (died ) • Sir James Sinclair, 3rd Baronet (died c. 1710) • Sir James Sinclair, 4th Baronet (died c. 1730) • Sir James Sinclair, 5th Baronet (died 1760) • Sir John Sinclair, 6th Baronet (died 1774) •
Sir James Sinclair, 7th Baronet (1766–1823) (succeeded as Earl of Caithness in 1789)
see the Earl of Caithness for further succession ==Sinclair, later Sinclair-Lockhart, baronets of Stevenson, East Lothian (1636)==